Question

log3 x + log3 (x +6) = 3​

Answer 1

Explicación paso a paso:

$log(3x) + log3(x + 6) = 3 \\ log(3x) + log(3x + 18) = 3 \\ log(3x)(3x + 18) = 3 \\ (3x)(3x + 18) = {10}^{3} = 1000 \\ 9 {x}^{2} + 54x = 1000 \\ 9 {x}^{2} + 54x - 1000 = 0$